MERCURY : 115 (6 CYL.) Model Serial Ranges 5314656 THRU 5600966 5600967 THRU 6436122 6436123 & Up 7131213 THRU 7147987 7147988 THRU 7208847 7208848 & Up 8061120 THRU 8061269 8067340 AND UP
